The GlobeFish and the GlobeMouse
Transcript of The GlobeFish and the GlobeMouse
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The GlobeFish and the GlobeMouseTwo New 6-DOF Input Devices
forGraphics Applications
Bernd FröhlichJan Hochstrate Verena Skuk Anke Huckauf
Virtual Reality Systems GroupFaculty of Media
www.uni-weimar.de/medien/vr
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6-DOF Desktop Devices
SpaceMouse [1x6DOF] elastic
SpaceBall [1x6DOF] isometric
Dimentor [3DOF+2DOF+1DOF] isotonic
Dialbox [6x1DOF] isotonic
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Other 6-DOF Devices
CAT [Hachet et al. 2002]Tracking sensor based
Fingerball [Zhai 1995]Cubic Mouse [Froehlich et al. 2000]…
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Task Analysis Driven Design
[Jacob et al. 1994]Device compatible to separate and integral attributes of task
[Masliah and Milgram 2000] 6 DOF docking taskWhich DOF are used simultaneously?Rotational and translational DOF as separate subsets!
ConclusionIntegrated 6 DOF controller for 6 DOF docking task might not be necessary[3 DOF + 3 DOF] design might perform better
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The GlobeFish[3DOF+3DOF] Design
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The GlobeFish[3DOF+3DOF] Design
3 DOF TrackballIsotonic rotation2 trackball sensors
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The GlobeFish[3DOF+3DOF] Design
3 DOF TrackballIsotonic rotation2 trackball sensors
3 DOF spring frameElastic translationBased on SpaceMouse
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The GlobeFish[3DOF+3DOF] Design
3 DOF TrackballIsotonic rotation2 trackball sensors
3 DOF spring frameElastic translationBased on SpaceMouse
[3DOF+3DOF] DesignFast switchingSeparation by force / no forceFine manipulationUniform handling of translations
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Other GlobeFish Designs
First prototype 55mm trackball
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The GlobeMouse
3 DOF trackballSpaceMouse socket
Translation Rotation
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User Study: MethodsStimuli
Zhai’s docking taskStereoscopic monitorNegative parallax
Participants16 volunteersOnly right-handedStereo vision
Hypothesis[3DOF+3DOF] >[1x6DOF]
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User Study: Design and Procedure
Within-subjects designLatin square design
Order of the devices balanced4 blocks of 12 trials per deviceQuestionnaire after each device
Ease of translations/rotationsManual motor fatigueDirectness of controlDevice preference
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User Study: Devices
Small GlobeFish
Large GlobeFish
GlobeMouse
?
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User Study: Devices
Small GlobeFish
Large GlobeFish
GlobeMouse
SpaceMouse
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User Study: Devices
Small GlobeFish
Large GlobeFish
GlobeMouse
SpaceMouse
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Results: TCTs
3x4 ANOVAOrder of devicesno main effect
Transfer similarSignificant performancedifferencesof 20%-30%Decrease of TCTssimilar
Learning similar
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Translations vs. Rotations
Translation Rotation
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Trackball Rotations vs. Mental Rotation Test
Translation Rotation
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Subjective Preferences
53%
40%
7%
GlobeFish
GlobeMouse
SpaceMouse
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Subjective Preferences
53%
40%
7%
GlobeFish
GlobeMouse
SpaceMouse
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Recent Developments
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The Yoyo Family[2x6DOF] + Tracking
A. Simon, B. Fröhlich: Interact 2003Huckauf et al. : Interact 2005
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Twist ´N Turn
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Summary
[3 DOF + 3 DOF] designGlobeFish: elastic translation vs. isotonic rotationGlobeMouse: + grip change
Performs better than the SpaceMouseTCTsSubjective ratingsMost likely due to
Facilitation of rotationsSeparation of translation and rotation
Use of the GlobeFish sensor for other devicesHandheldOne-handed vs. two-handed
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Future Work
Evaluation for other tasksNavigationNavigation + object manipulationCombination of 3D and 2D tasksCompare to standard mouse
Redundant DOFGlobeMouse
Rotation through trackball or SpaceMouseUse devices for 2D applications
Application domains?Explore the design space!
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Thank You!
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